Wiring Protector Locking Mechanism for Misalignment Prevention
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Solution Overview
Problem
Existing binding band fixing structures for wire harnesses in vehicles face challenges with workability and misalignment of the head portion after fixing, which can lead to interference with other articles.
Innovation Solution
A protector design with a main body having a support surface, a back surface, and a locking portion that includes protrusions and a groove to securely insert and lock the band portion and head portion of a band member, ensuring proper alignment and preventing misalignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the head portion of the binding band is not accommodated, then the structure is simpler, but the positioning stability deteriorates and the head portion may interfere with other articles
Solution Approach 1:
The head portion of the binding band is nested within a head accommodation portion formed by the interaction between the binding band holding portion and the wall of the support member. This nesting structure allows the head portion to be held securely without requiring a separate dedicated container, thus improving positioning stability while minimizing structural complexity.
Solution Approach 2:
The head accommodation portion acts as an intermediary space that mediates between the head portion of the binding band and the surrounding environment. By providing this intermediate holding space, the structure ensures stable positioning of the head portion without direct interference with other articles while maintaining a relatively simple overall structure.
2Manufacturing precision
If a complex locking mechanism is used, then the positioning accuracy improves, but the ease of operation deteriorates
Solution Approach 1:
The binding band holding portion is designed to automatically form a head accommodation portion with the wall of the support member when the band is tightened. This self-forming mechanism eliminates the need for complex pre-formed locking structures, allowing accurate positioning to be achieved through the natural tightening action of the binding band itself, thereby maintaining ease of operation.
Solution Approach 2:
The structure is designed in advance so that the head accommodation portion is formed by the interaction between the binding band holding portion and the support member wall. This preliminary structural arrangement ensures that when the binding band is tightened, the head portion automatically finds its correct position without requiring complex real-time adjustment mechanisms, thus achieving accurate positioning while keeping the operation simple.
Data Source
AI summary
A protector includes a main body having a support surface that supports a wiring material and a back surface and having a first wall and a second wall erected with respect to the first wall from a first edge, wherein the main body has an insertion hole into which a band portion of a band member is inserted and a locking portion which locks a head portion, the band member having the band portion and the head portion, the locking portion corresponds to a pair of protrusions, each of the pair of protrusions has a width direction wall and a locking wall, the locking wall is formed at a second edge, distal ends of locking walls face each other, and an interval between the distal ends of the locking walls is an interval that allows passage of the band portion and regulates passage of the head portion.